{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9735877","patent":{"patent_number":"US-9735877","title":"Optical communication device using AC LED lighting and communication method using the same","assignee":null,"inventors":[],"filing_date":"2013-11-21T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B"],"num_claims":15,"abstract":"An optical communication device including a plurality of groups of light emitting diode (LED) groups that are turn on according to a control of a lighting and communication control module. The lighting and communication control module is configured to receive an AC input voltage, generate a rectified voltage from the AC input voltage, determine a voltage level of the rectified voltage, sequentially drive the plurality of LED groups according to the voltage level of the rectified voltage, and perform optical communication through the plurality of LED groups only when the voltage level of the rectified voltage is greater than or equal to a preset threshold voltage level."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical communication device using AC LED lighting and communication method using the same","description":"An optical communication device including a plurality of groups of light emitting diode (LED) groups that are turn on according to a control of a lighting and communication control module. The lightin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9735877","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9735877","citation_suggestion":"Patentable. \"Optical communication device using AC LED lighting and communication method using the same\" (US-9735877). https://patentable.app/patents/US-9735877","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9735877","json":"https://patentable.app/api/llm-context/US-9735877","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T18:51:22.336Z"}